Unless I'm missing something, two-way GPS is really 1 way GPS plus an Iridium sms contract. So it's not a gps thing or a ham radio thing at all, but still cool, if you need it and don't mind the $10/month.
Bryan
On Dec 5, 2012, at 6:15 PM, Bob Burns W9RXR <w9rxr_ at rlburns.net> wrote:
> ... That would include digipeating, profile switching, SmartBeaconing, scripting, two-way GPS interface, and interface to an external LCD for messaging.